Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hieu manh » hieu nganh, hien hanh, hieu van
chinh cua » chinh ca, chinh sua, hinh cua
dong cong » duong cong, dung cong, dang cong
cong doan » cong dan, cong hoan, dong doanh
cua dong » chua dong, cua cong, cua dang
va ban » van ban, va bai, va bao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((hieu manh) OR (dieu hanh))) or (chieu xanh)) - hanh chinh cua dong cong doan va ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((hieu manh) OR (dieu hanh))) OR (chieu xanh)) - hanh chinh cua dong cong doan va ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((hieu manh) OR (dieu hanh))) or (chieu xanh)) - hanh chinh cua dong cong doan va ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((hieu manh) OR (dieu hanh))) or (chieu xanh)) - hanh chinh cua dong cong doan va ban*.